I found one of my original hens, Best Bird, sitting in the pen this morning all hunched up with her tail and wings drooping and looking just miserable. I noticed she had poop on her backend, and when I picked her up, I felt that her abdomen is swollen and sort of firm, but not hard. She also feels a little underweight, so apparently she's not been feeling well for awhile now. All the hens in that pen have pretty much stopped laying...I get only the occasional egg now, so I'm wondering if maybe she isn't eggbound. When I went to wash her backend off, she pooped some, and it was just watery with some clear yellowish goo. I have the impression that she can't pass poo readily, and I'm not sure if this is because of the pressure in her from the fluid or something else. Does anyone have any idea what could be going on here? None of my other hens have shown any sign of being sick. If she's eggbound, how would I know for sure?